Laser diodes, used in some car headlights, will eventually replace LEDs to become the most dominant form of lighting and will boost wireless communication by leaps and bounds, according to Nobel laureate Shuji Nakamura, co-inventor of the blue light-emitting diode (LED).

The government's ambitious plan to provide broadband connectivity across 2.5 lakh panchayats will be completed in the next 18 months, Sam Pitroda, Adviser to Prime Minister Manmohan Singh, tweeted in his first global press conference on microblogging site Twitter.